(19)

(11)

EP 1 171 782 A1

(12)

(43) Date of publication: 16.01.2002 Bulletin 2002/03 (21) Application number: 00913560.9 (22) Date of filing: 23.02.2000

(51) International Patent Classification (IPC)7: G01S 13/00 (86) International application number: PCT/US0004/456 (87) International publication number: WO 0050/920 (31.08.2000 Gazette 2000/35)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 23.02.1999 US 255269 (71) Applicant: Flight Safety Technologies, Inc. New London, CT 06320 (US)	(72) Inventor: REES, Frank Leonard Baltimore,Maryland 21244 (US) (74) Representative: Greenwood, John David et al Graham Watt & Co. Riverhead Sevenoaks Kent TN13 2BN Sevenoaks Kent TN13 2BN (GB)